diff --git a/admin/src/components/ProjectBranding/ListHumhubSpaces.vue b/admin/src/components/ProjectBranding/ListHumhubSpaces.vue
new file mode 100644
index 000000000..809fd38fb
--- /dev/null
+++ b/admin/src/components/ProjectBranding/ListHumhubSpaces.vue
@@ -0,0 +1,117 @@
+<template>
+  <div>
+    <ul class="list-unstyled list-group mb-3">
+      <li
+        v-for="space in spaces"
+        :key="space.id"
+        :title="space.description"
+        :class="[
+          'list-group-item',
+          'list-group-item-action',
+          'd-flex',
+          'justify-content-between',
+          'align-items-center',
+          'cursor-pointer',
+          { active: space.id === selectedSpaceId },
+        ]"
+        @click="selectedSpaceId = space.id"
+      >
+        <div>
+          <input v-model="selectedSpaceId" type="radio" :value="space.id" class="me-2" />
+          {{ space.name }}
+        </div>
+        <a :href="space.url" target="_blank" @click.stop>
+          {{ $t('projectBranding.openSpaceInHumhub') }}
+        </a>
+      </li>
+    </ul>
+    <b-pagination
+      v-if="result && result.spaces.total > ITEMS_PER_PAGE"
+      v-model="result.spaces.page"
+      :total-rows="result.spaces.total"
+      :per-page="ITEMS_PER_PAGE"
+      aria-controls="list-humhub-spaces"
+    />
+  </div>
+</template>
+
+<script setup>
+import { ref, onMounted, computed, watch } from 'vue'
+import { useQuery } from '@vue/apollo-composable'
+import gql from 'graphql-tag'
+
+const props = defineProps({
+  modelValue: {
+    type: Number,
+    default: null,
+  },
+})
+
+const emit = defineEmits(['update:modelValue'])
+
+const ITEMS_PER_PAGE = 20
+const page = ref(1)
+const selectedSpaceId = ref(props.modelValue)
+const { result, refetch } = useQuery(
+  gql`
+    query spaces($page: Int!) {
+      spaces(page: $page) {
+        total
+        page
+        pages
+        results {
+          id
+          name
+          description
+          url
+        }
+      }
+    }
+  `,
+  { page: page.value, limit: ITEMS_PER_PAGE },
+)
+
+const spaces = computed(() => result.value?.spaces?.results || [])
+
+watch(
+  () => selectedSpaceId.value,
+  (newValue) => emit('update:modelValue', newValue),
+)
+
+watch(
+  () => props.modelValue,
+  (newValue) => {
+    console.log('space id updated, new value:', newValue)
+  },
+)
+
+onMounted(() => {
+  console.log('on mounted', props.modelValue)
+  if (props.spaceId) {
+    const targetPage = Math.ceil(props.spaceId / ITEMS_PER_PAGE)
+    page.value = targetPage
+    refetch({ page: targetPage })
+  }
+})
+
+const prevPage = () => {
+  if (page.value > 1) {
+    page.value -= 1
+    refetch({ page: page.value })
+  }
+}
+
+const nextPage = () => {
+  if (hasMore.value) {
+    page.value += 1
+    refetch({ page: page.value })
+  }
+}
+</script>
+<style scoped>
+.list-group-item-action:hover:not(.active) {
+  background-color: #ececec;
+  color: #0056b3;
+  transition: background-color 0.2s ease-in-out;
+}
+</style>
diff --git a/admin/src/components/ProjectBranding/ProjectBrandingForm.vue b/admin/src/components/ProjectBranding/ProjectBrandingForm.vue
index 695f8b89f..52cc688fb 100644
--- a/admin/src/components/ProjectBranding/ProjectBrandingForm.vue
+++ b/admin/src/components/ProjectBranding/ProjectBrandingForm.vue
@@ -26,6 +26,14 @@
         class="mb-3"
         @update:model-value="updateField"
       />
+      <BButton
+        variant="outline-secondary"
+        class="mb-3"
+        :title="result?.space.description"
+        @click="isModalVisible = true"
+      >
+        {{ selectedSpaceText }}
+      </BButton>
       <BFormGroup
         :label="$t('projectBranding.newUserToSpace')"
         label-for="newUserToSpace-input-field"
@@ -58,20 +66,32 @@
         <BButton type="reset" variant="secondary" @click="resetForm">{{ $t('reset') }}</BButton>
       </div>
     </BForm>
+    <BModal v-model="isModalVisible" title="Select Space" hide-footer>
+      <ListHumhubSpaces
+        :model-value="spaceId"
+        @update:model-value="(value) => updateField(value, 'spaceId')"
+      />
+    </BModal>
   </div>
 </template>
 
 <script setup>
 import ValidatedInput from '@/components/input/ValidatedInput'
+import ListHumhubSpaces from '@/components/ProjectBranding/ListHumhubSpaces.vue'
+import { useI18n } from 'vue-i18n'
 import { reactive, computed, watch, ref } from 'vue'
-import { object, string, boolean } from 'yup'
+import { object, string, boolean, number } from 'yup'
+import { useQuery } from '@vue/apollo-composable'
+import gql from 'graphql-tag'
 
 const props = defineProps({
   modelValue: { type: Object, required: true },
 })
 
 const form = reactive({ ...props.modelValue })
+const isModalVisible = ref(false)
 const errorMessage = ref('')
+const { t } = useI18n()
 watch(
   () => props.modelValue,
   (newValue) => Object.assign(form, newValue),
@@ -79,8 +99,32 @@ watch(
 const name = computed(() => form.name)
 const alias = computed(() => form.alias)
 const description = computed(() => form.description)
+const spaceId = computed(() => form.spaceId)
 const newUserToSpace = computed(() => form.newUserToSpace)
 const logoUrl = computed(() => form.logoUrl)
+// show space
+const GET_SPACE = gql`
+  query space($id: ID!) {
+    space(id: $id) {
+      name
+      description
+    }
+  }
+`
+const { result, loading } = useQuery(GET_SPACE, () => ({ id: spaceId.value }), {
+  enabled: computed(() => !!spaceId.value),
+})
+
+const selectedSpaceText = computed(() => {
+  console.log('selectedSpaceText: ', result.value)
+  if (!spaceId.value) {
+    return t('projectBranding.selectSpace')
+  }
+  if (!result.value?.space) {
+    return t('projectBranding.noAccessRightSpace', { spaceId: spaceId.value })
+  }
+  return t('projectBranding.chosenSpace', { space: result.value.space.name })
+})
 
 const validationSchema = object({
   name: string().min(3).max(255).required(),
@@ -92,12 +136,14 @@ const validationSchema = object({
     .max(32)
     .required(),
   description: string().nullable().optional(),
+  spaceId: number().nullable().optional(),
   newUserToSpace: boolean().optional(),
   logoUrl: string().url('Logo URL must be a valid URL.').max(255).nullable().optional(),
 })
 
 function updateField(value, name) {
   form[name] = value
+  console.log('updateField called with', { value, name })
 }
 const emit = defineEmits(['update:modelValue'])
 function submit() {
@@ -117,6 +163,7 @@ function resetForm() {
       name: '',
       alias: '',
       description: undefined,
+      spaceId: undefined,
       newUserToSpace: false,
       logoUrl: undefined,
     })
diff --git a/admin/src/components/ProjectBranding/ProjectBrandingItem.vue b/admin/src/components/ProjectBranding/ProjectBrandingItem.vue
index 172891f71..8065c446a 100644
--- a/admin/src/components/ProjectBranding/ProjectBrandingItem.vue
+++ b/admin/src/components/ProjectBranding/ProjectBrandingItem.vue
@@ -1,9 +1,28 @@
 <template>
   <div class="project-branding-item">
     <BRow :title="item.description" @click="details = !details">
-      <BCol cols="3">{{ item.name }}</BCol>
+      <BCol cols="3">
+        {{ item.name }}
+        <br />
+        {{ frontendLoginUrl }}
+        <BButton
+          v-b-tooltip.hover
+          variant="secondary"
+          :title="$t('copy-to-clipboard')"
+          @click.stop="copyToClipboard(frontendLoginUrl)"
+        >
+          <i class="fas fa-copy"></i>
+        </BButton>
+      </BCol>
       <BCol cols="2">{{ item.alias }}</BCol>
-      <BCol cols="2">{{ item.newUserToSpace }}</BCol>
+      <BCol cols="2">
+        <span v-if="item.newUserToSpace" class="text-success">
+          <i class="fas fa-check"></i>
+        </span>
+        <span v-else class="text-danger">
+          <i class="fas fa-times"></i>
+        </span>
+      </BCol>
       <BCol cols="3" class="me-2">
         <img class="img-fluid" :src="item.logoUrl" :alt="item.logoUrl" />
       </BCol>
@@ -24,25 +43,47 @@
 </template>
 
 <script setup>
-import { ref, toRefs } from 'vue'
+import { computed, ref, toRefs } from 'vue'
 import ProjectBrandingForm from './ProjectBrandingForm.vue'
+import { useI18n } from 'vue-i18n'
 import { useMutation } from '@vue/apollo-composable'
+import CONFIG from '@/config'
 import gql from 'graphql-tag'
+import { useAppToast } from '@/composables/useToast'
+
+const { t } = useI18n()
+const { toastSuccess, toastError } = useAppToast()
 
 const props = defineProps({
   item: { type: Object, required: true },
 })
 const { item } = toRefs(props)
 const details = ref(false)
+
 const emit = defineEmits(['update:item', 'deleted:item'])
+const frontendLoginUrl = computed(() => {
+  return `${CONFIG.WALLET_LOGIN_URL}?project=${item.value.alias}`
+})
+
+async function copyToClipboard(text) {
+  try {
+    await navigator.clipboard.writeText(text)
+    toastSuccess(t('copied-to-clipboard'))
+  } catch (err) {
+    toastError(err.message)
+  }
+}
 
 function update(form) {
+  details.value = false
   const { mutate } = useMutation(gql`
     mutation upsertProjectBranding($input: ProjectBrandingInput!) {
       upsertProjectBranding(input: $input) {
         id
         name
         alias
+        description
+        spaceId
         newUserToSpace
         logoUrl
       }
diff --git a/admin/src/locales/de.json b/admin/src/locales/de.json
index c48582d54..3fd75c805 100644
--- a/admin/src/locales/de.json
+++ b/admin/src/locales/de.json
@@ -44,6 +44,8 @@
     "denied": "Abgelehnt",
     "open": "Offen"
   },
+  "copy-to-clipboard": "In die Zwischenablage kopieren",
+  "copied-to-clipboard": "In die Zwischenablage kopiert",
   "created": "Geschöpft",
   "createdAt": "Angelegt",
   "creation": "Schöpfung",
@@ -129,6 +131,7 @@
   "lastname": "Nachname",
   "latitude": "Breitengrad:",
   "latitude-longitude-smart": "Breitengrad, Längengrad",
+  "link": "Link",
   "logo": "Logo",
   "longitude": "Längengrad:",
   "math": {
@@ -206,6 +209,11 @@
   },
   "projectBranding": {
     "addTooltip": "Neuen Projekt Branding Eintrag hinzufügen",
+    "chosenSpace": "Gewählter Space: {space}",
+    "noAccessRightSpace": "Gewählter Space: {spaceId} (Keine Zugriffsrechte)",
+    "openSpaceInHumhub": "In Humhub öffnen",
+    "spaceId": "Humhub Space ID",
+    "selectSpace": "Humhub Space auswählen",
     "title": "Projekt Brandings",
     "newUserToSpace": "Benutzer hinzufügen?",
     "newUserToSpaceTooltip": "Neue Benutzer automatisch zum Space hinzufügen, falls Space vorhanden"
diff --git a/admin/src/locales/en.json b/admin/src/locales/en.json
index 1fe06348d..1c7f1da97 100644
--- a/admin/src/locales/en.json
+++ b/admin/src/locales/en.json
@@ -44,6 +44,8 @@
     "denied": "Rejected",
     "open": "Open"
   },
+  "copy-to-clipboard": "Copy to clipboard",
+  "copied-to-clipboard": "Copied to clipboard",
   "created": "Created for",
   "createdAt": "Created at",
   "creation": "Creation",
@@ -130,6 +132,7 @@
   "lastname": "Lastname",
   "latitude": "Latitude:",
   "latitude-longitude-smart": "Latitude, Longitude",
+  "link": "Link",
   "logo": "Logo",
   "longitude": "Longitude:",
   "math": {
@@ -207,6 +210,11 @@
   },
   "projectBranding": {
     "addTooltip": "Add new project branding entry",
+    "chosenSpace": "Choosen Humhub Space: {space}",
+    "noAccessRightSpace": "Selected space: {spaceId} (No access rights)",
+    "openSpaceInHumhub": "Open in Humhub",
+    "spaceId": "Humhub Space ID",
+    "selectSpace": "Select Humhub Space",
     "title": "Project Branding",
     "newUserToSpace": "Add user?",
     "newUserToSpaceTooltip": "The hours should contain a maximum of two decimal places"
diff --git a/admin/src/pages/ProjectBranding.vue b/admin/src/pages/ProjectBranding.vue
index 03e137706..1b1e3182e 100644
--- a/admin/src/pages/ProjectBranding.vue
+++ b/admin/src/pages/ProjectBranding.vue
@@ -26,7 +26,7 @@
     </div>
     <BListGroup>
       <BRow>
-        <BCol cols="3" class="ms-1">{{ $t('name') }}</BCol>
+        <BCol cols="3" class="ms-1">{{ $t('name') }} + {{ $t('link') }}</BCol>
         <BCol cols="2">{{ $t('alias') }}</BCol>
         <BCol cols="2" :title="$t('projectBranding.newUserToSpaceTooltip')">
           {{ $t('projectBranding.newUserToSpace') }}
diff --git a/backend/src/apis/humhub/HumHubClient.ts b/backend/src/apis/humhub/HumHubClient.ts
index 19485857e..4cbdae481 100644
--- a/backend/src/apis/humhub/HumHubClient.ts
+++ b/backend/src/apis/humhub/HumHubClient.ts
@@ -8,7 +8,9 @@ import { backendLogger as logger } from '@/server/logger'
 import { PostUserLoggingView } from './logging/PostUserLogging.view'
 import { GetUser } from './model/GetUser'
 import { PostUser } from './model/PostUser'
+import { SpacesResponse } from './model/SpacesResponse'
 import { UsersResponse } from './model/UsersResponse'
+import { Space } from './model/Space'
 
 /**
  * HumHubClient as singleton class
@@ -186,6 +188,29 @@ export class HumHubClient {
       throw new LogError('error deleting user', { userId: humhubUserId, response })
     }
   }
+
+  // get spaces from humhub
+  // https://marketplace.humhub.com/module/rest/docs/html/space.html#tag/Space/paths/~1space/get
+  public async spaces(page = 0, limit = 20): Promise<SpacesResponse | null> {
+    const options = await this.createRequestOptions({ page, limit })
+    const response = await this.restClient.get<SpacesResponse>('/api/v1/space', options)
+    if (response.statusCode !== 200) {
+      throw new LogError('error requesting spaces from humhub', response)
+    }
+    return response.result
+  }
+
+  // get space by id  from humhub instance
+  // https://marketplace.humhub.com/module/rest/docs/html/space.html#tag/Space/paths/~1space~1{id}/get
+  public async space(spaceId: number): Promise<Space | null> {
+    const options = await this.createRequestOptions()
+    const response = await this.restClient.get<Space>(`/api/v1/space/${spaceId}`, options)
+    console.log(response)
+    if (response.statusCode !== 200) {
+      throw new LogError('error requesting space from humhub', response)
+    }
+    return response.result
+  }
 }
 
 // new RestClient('gradido', 'api/v1/')
diff --git a/backend/src/apis/humhub/model/Space.ts b/backend/src/apis/humhub/model/Space.ts
new file mode 100644
index 000000000..f290fbbf1
--- /dev/null
+++ b/backend/src/apis/humhub/model/Space.ts
@@ -0,0 +1,7 @@
+export class Space {
+  id: number
+  guid: string
+  name: string
+  description: string
+  url: string
+}
diff --git a/backend/src/apis/humhub/model/SpacesResponse.ts b/backend/src/apis/humhub/model/SpacesResponse.ts
new file mode 100644
index 000000000..34e9df650
--- /dev/null
+++ b/backend/src/apis/humhub/model/SpacesResponse.ts
@@ -0,0 +1,8 @@
+import { Space } from './Space'
+
+export interface SpacesResponse {
+  total: number
+  page: number
+  pages: number
+  results: Space[]
+}
diff --git a/backend/src/auth/RIGHTS.ts b/backend/src/auth/RIGHTS.ts
index 28ca70e79..5aee48934 100644
--- a/backend/src/auth/RIGHTS.ts
+++ b/backend/src/auth/RIGHTS.ts
@@ -41,6 +41,7 @@ export enum RIGHTS {
   GMS_USER_PLAYGROUND = 'GMS_USER_PLAYGROUND',
   HUMHUB_AUTO_LOGIN = 'HUMHUB_AUTO_LOGIN',
   PROJECT_BRANDING_VIEW = 'PROJECT_BRANDING_VIEW',
+  LIST_HUMHUB_SPACES = 'LIST_HUMHUB_SPACES',
   // Moderator
   SEARCH_USERS = 'SEARCH_USERS',
   ADMIN_CREATE_CONTRIBUTION = 'ADMIN_CREATE_CONTRIBUTION',
diff --git a/backend/src/auth/USER_RIGHTS.ts b/backend/src/auth/USER_RIGHTS.ts
index 44f600a16..445bc2093 100644
--- a/backend/src/auth/USER_RIGHTS.ts
+++ b/backend/src/auth/USER_RIGHTS.ts
@@ -32,4 +32,5 @@ export const USER_RIGHTS = [
   RIGHTS.GMS_USER_PLAYGROUND,
   RIGHTS.HUMHUB_AUTO_LOGIN,
   RIGHTS.PROJECT_BRANDING_VIEW,
+  RIGHTS.LIST_HUMHUB_SPACES,
 ]
diff --git a/backend/src/graphql/model/ProjectBranding.ts b/backend/src/graphql/model/ProjectBranding.ts
index 6f53b357a..8db26efe5 100644
--- a/backend/src/graphql/model/ProjectBranding.ts
+++ b/backend/src/graphql/model/ProjectBranding.ts
@@ -1,6 +1,8 @@
 import { ProjectBranding as dbProjectBranding } from '@entity/ProjectBranding'
 import { ObjectType, Field, Int } from 'type-graphql'
 
+import { Space } from './Space'
+
 @ObjectType()
 export class ProjectBranding {
   constructor(projectBranding: dbProjectBranding) {
@@ -22,6 +24,9 @@ export class ProjectBranding {
   @Field(() => Int, { nullable: true })
   spaceId: number | null
 
+  @Field(() => Space, { nullable: true })
+  space: Space | null
+
   @Field(() => Boolean)
   newUserToSpace: boolean
 
diff --git a/backend/src/graphql/model/Space.ts b/backend/src/graphql/model/Space.ts
new file mode 100644
index 000000000..6f3a3cdfa
--- /dev/null
+++ b/backend/src/graphql/model/Space.ts
@@ -0,0 +1,25 @@
+import { ObjectType, Field, Int } from 'type-graphql'
+
+import { Space as HumhubSpace } from '@/apis/humhub/model/Space'
+
+@ObjectType()
+export class Space {
+  @Field(() => Int)
+  id: number
+
+  @Field(() => String)
+  guid: string
+
+  @Field(() => String)
+  name: string
+
+  @Field(() => String)
+  description: string
+
+  @Field(() => String)
+  url: string
+
+  constructor(data: HumhubSpace) {
+    Object.assign(this, data)
+  }
+}
diff --git a/backend/src/graphql/model/SpaceList.ts b/backend/src/graphql/model/SpaceList.ts
new file mode 100644
index 000000000..c01f5af74
--- /dev/null
+++ b/backend/src/graphql/model/SpaceList.ts
@@ -0,0 +1,24 @@
+import { ObjectType, Field, Int } from 'type-graphql'
+
+import { SpacesResponse } from '@/apis/humhub/model/SpacesResponse'
+
+import { Space } from './Space'
+
+@ObjectType()
+export class SpaceList {
+  @Field(() => Int)
+  total: number
+
+  @Field(() => Int)
+  page: number
+
+  @Field(() => Int)
+  pages: number
+
+  @Field(() => [Space])
+  results: Space[]
+
+  constructor(data: SpacesResponse) {
+    Object.assign(this, data)
+  }
+}
diff --git a/backend/src/graphql/resolver/ProjectBrandingResolver.ts b/backend/src/graphql/resolver/ProjectBrandingResolver.ts
index 3f31e809a..ab1804d3b 100644
--- a/backend/src/graphql/resolver/ProjectBrandingResolver.ts
+++ b/backend/src/graphql/resolver/ProjectBrandingResolver.ts
@@ -1,14 +1,17 @@
 import { ProjectBranding as DbProjectBranding } from '@entity/ProjectBranding'
-import { Resolver, Query, Mutation, Arg, Int, Authorized, ID } from 'type-graphql'
+import { Resolver, Query, Mutation, Arg, Int, Authorized, ID, FieldResolver, Root } from 'type-graphql'
 
 import { ProjectBrandingInput } from '@input/ProjectBrandingInput'
 import { ProjectBranding } from '@model/ProjectBranding'
+import { Space } from '@model/Space'
+import { SpaceList } from '@model/SpaceList'
 
+import { HumHubClient } from '@/apis/humhub/HumHubClient'
 import { RIGHTS } from '@/auth/RIGHTS'
 import { LogError } from '@/server/LogError'
 import { backendLogger as logger } from '@/server/logger'
 
-@Resolver()
+@Resolver(() => ProjectBranding)
 export class ProjectBrandingResolver {
   @Query(() => [ProjectBranding])
   @Authorized([RIGHTS.PROJECT_BRANDING_VIEW])
@@ -67,4 +70,37 @@ export class ProjectBrandingResolver {
       return false
     }
   }
+
+  @Query(() => Space)
+  @Authorized([RIGHTS.LIST_HUMHUB_SPACES])
+  async space(@Arg('id', () => ID) id: number): Promise<Space> {
+    const humhub = HumHubClient.getInstance()
+    if (!humhub) {
+      throw new LogError('HumHub client not initialized')
+    }
+
+    const space = await humhub.space(id)
+    if (!space) {
+      throw new LogError(`Error requesting space with id: ${id} from HumHub`)
+    }
+    return new Space(space)
+  }
+
+  @Query(() => SpaceList)
+  @Authorized([RIGHTS.LIST_HUMHUB_SPACES])
+  async spaces(
+    @Arg('page', () => Int, { defaultValue: 1 }) page: number,
+    @Arg('limit', () => Int, { defaultValue: 20 }) limit: number,
+  ): Promise<SpaceList> {
+    const humhub = HumHubClient.getInstance()
+    if (!humhub) {
+      throw new LogError('HumHub client not initialized')
+    }
+    const offset = (page - 1) * limit
+    const spaces = await humhub.spaces(offset, limit)
+    if (!spaces) {
+      throw new LogError('Error requesting spaces from HumHub')
+    }
+    return new SpaceList(spaces)
+  }
 }